EP3754474A4 - Touch controller, related chip, touch control system, and touch control method - Google Patents

Touch controller, related chip, touch control system, and touch control method Download PDF

Info

Publication number
EP3754474A4
EP3754474A4 EP19916536.6A EP19916536A EP3754474A4 EP 3754474 A4 EP3754474 A4 EP 3754474A4 EP 19916536 A EP19916536 A EP 19916536A EP 3754474 A4 EP3754474 A4 EP 3754474A4
Authority
EP
European Patent Office
Prior art keywords
touch control
touch
control system
control method
related chip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19916536.6A
Other languages
German (de)
French (fr)
Other versions
EP3754474A1 (en
Inventor
Hsin-Jui CHOU
Ya-nan WEN
Po-Yuan Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Goodix Technology Co Ltd
Original Assignee
Shenzhen Goodix Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Goodix Technology Co Ltd filed Critical Shenzhen Goodix Technology Co Ltd
Publication of EP3754474A1 publication Critical patent/EP3754474A1/en
Publication of EP3754474A4 publication Critical patent/EP3754474A4/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K2017/9602—Touch switches characterised by the type or shape of the sensing electrodes
    • H03K2017/9604—Touch switches characterised by the type or shape of the sensing electrodes characterised by the number of electrodes
    • H03K2017/9613—Touch switches characterised by the type or shape of the sensing electrodes characterised by the number of electrodes using two electrodes per touch switch

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)
EP19916536.6A 2019-03-06 2019-03-06 Touch controller, related chip, touch control system, and touch control method Pending EP3754474A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/077158 WO2020177096A1 (en) 2019-03-06 2019-03-06 Touch controller, related chip, touch control system, and touch control method

Publications (2)

Publication Number Publication Date
EP3754474A1 EP3754474A1 (en) 2020-12-23
EP3754474A4 true EP3754474A4 (en) 2021-09-22

Family

ID=72337419

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19916536.6A Pending EP3754474A4 (en) 2019-03-06 2019-03-06 Touch controller, related chip, touch control system, and touch control method

Country Status (4)

Country Link
US (1) US11366554B2 (en)
EP (1) EP3754474A4 (en)
CN (1) CN111902799B (en)
WO (1) WO2020177096A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11531425B1 (en) * 2021-11-03 2022-12-20 Synaptics Incorporated Inter-band harmonics interference mitigation for multi-frequency-region parallel scan

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130021294A1 (en) * 2011-04-19 2013-01-24 Andriy Maharyta Usage of weighting matrices in multi-phase scanning modes
US20160188105A1 (en) * 2010-08-25 2016-06-30 Parade Technologies, Ltd. Multi-phase scanning
US9417727B2 (en) * 2013-09-06 2016-08-16 Samsung Electro-Mechanics Co., Ltd. Touchscreen device and method of driving the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI346929B (en) * 2006-10-13 2011-08-11 Au Optronics Corp Gate driver and driving method of liquid crystal display device
TWI463382B (en) * 2009-09-14 2014-12-01 Raydium Semiconductor Corp Touch sensing apparatus and touch sensing method
US9933880B2 (en) * 2014-03-17 2018-04-03 Tactual Labs Co. Orthogonal signaling touch user, hand and object discrimination systems and methods
KR101680939B1 (en) * 2014-08-29 2016-11-29 주식회사 동부하이텍 Method of scanning touch panel and touch integrated circuit for performing the same
CN104932741B (en) * 2015-06-02 2018-10-26 武汉华星光电技术有限公司 The scan method of touching signals
US10037094B2 (en) * 2015-10-29 2018-07-31 Novatek Microelectronics Corp. Carrier touch sensing system capable of performing phase calibration and carrier signal demodulation
KR101809917B1 (en) * 2016-01-29 2017-12-21 엘지디스플레이 주식회사 Driving circuit, touch display device, and method for driving the touch display device
WO2019023923A1 (en) * 2017-08-01 2019-02-07 深圳市汇顶科技股份有限公司 Method for determining touch position and touch control chip

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160188105A1 (en) * 2010-08-25 2016-06-30 Parade Technologies, Ltd. Multi-phase scanning
US20130021294A1 (en) * 2011-04-19 2013-01-24 Andriy Maharyta Usage of weighting matrices in multi-phase scanning modes
US9417727B2 (en) * 2013-09-06 2016-08-16 Samsung Electro-Mechanics Co., Ltd. Touchscreen device and method of driving the same

Also Published As

Publication number Publication date
WO2020177096A1 (en) 2020-09-10
EP3754474A1 (en) 2020-12-23
CN111902799A (en) 2020-11-06
US11366554B2 (en) 2022-06-21
US20200401254A1 (en) 2020-12-24
CN111902799B (en) 2023-10-24

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